Uni-ball 307 gel pen, .7mm, black ink, dozen skip-free gel ink provides an unparalleled writing experience that keeps work looking its best. Provides a superior, skip-free writing experience without blobbing or railroading. Write smoothly on virtually any paper surface, including glossy finishes. Textured grip provides superior writing comfort and control. Features uni super ink, providing three-way protection against water, fading, and fraud. this product arrives to most customers in 2-3 business days.